Thermoplastic elastomer extrusion pelletizing die and method convenient for stripping and collection

The invention discloses a thermoplastic elastomer extrusion pelletizing die convenient for stripping and collection, which comprises an extruder, a feeding system is arranged above the extruder and used for feeding TPE raw material particles into the extruder, a feeding channel is arranged in the extruder, a flange receiving disc is fixed in the extruder, the flange receiving disc is communicated with one side of the feeding channel, and the other side of the feeding channel is communicated with the feeding system. A material distributing disc is arranged on the other side of the flange receiving disc, a plurality of forming holes are distributed in the material distributing disc and used for molding hot-melt TPE raw materials into TPE strips through the material distributing disc, one side of the extruder is connected with a pelletizing assembly, and the TPE strips are evenly cut into particles through the pelletizing assembly; a pre-notch treatment unit is arranged on the extruder and located between the ma